CN210602570U

CN210602570U - Combined lithium battery drying jig

Info

Publication number: CN210602570U
Application number: CN201921538984.3U
Authority: CN
Inventors: 姜成武; 李彦龙; 温正方; 黄伟明
Original assignee: Dongguan Tec Rich Engineering Co Ltd
Current assignee: Dongguan Tec Rich Engineering Co Ltd
Priority date: 2019-09-16
Filing date: 2019-09-16
Publication date: 2020-05-22
Anticipated expiration: 2029-09-16

Abstract

The utility model discloses a combined lithium battery drying jig, including upper cover, the device that generates heat, circuit assembly and two at least tool main parts, the tool main part all is equipped with top open-ended cavity, and the tool main part is equipped with the through-hole that communicates with the cavity, and the device that generates heat sets up respectively in the cavity of tool main part; the jig main bodies are superposed, so that the cavities of two adjacent jig main bodies are communicated through the through holes; the circuit component is arranged on any jig main body; the upper cover can be detachably covered on the cavity of the jig main body positioned at the top and seals the cavity; an electric connection terminal capable of being switched on or switched off is arranged between two adjacent jig main bodies, and the electric connection terminal is electrically connected with the heating device in the corresponding jig main body. The utility model discloses dry tool of combination formula lithium cell can be directly dry to battery heating, saves large-scale drying furnace and heating module to simplify process flow, improve production efficiency, reduction in production cost.

Description

Combined lithium battery drying jig

Technical Field

The utility model relates to a lithium battery drying equipment especially relates to a modular lithium battery drying tool.

Background

Moisture has a very important influence on the performance of lithium batteries, and the humidity of the environment and the water content of the batteries must be strictly controlled in the manufacturing process of the lithium batteries. Under current process conditions, baking equipment is typically employed to control the water content of the cell prior to cell filling. For example, the battery is subjected to a drying process by a baking mode of a drying oven. The basic baking steps are as follows: the battery is placed into the jig by utilizing the upper fixture machine, the jig filled with the battery is placed into the drying furnace through the fixture transplanting machine, and the drying furnace is vacuumized and heated to dry the battery. Therefore, the conventional lithium battery jig has simple functions and only has the function of loading the battery. In order to dry the battery, a large-sized drying furnace, a heating module and other supporting equipment are required to be added, so that the operation process of the equipment is complex, and the cost is increased.

Although the jig capable of actively heating and drying the lithium battery appears in the existing design, the technical problems can be overcome, but because the jig is small in size and the volume of the internal cavity is small, the number of lithium batteries heated and dried in a single time is small, and the improvement of the production efficiency is not facilitated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a modular lithium cell drying jig, it can be directly to battery heating drying, saves large-scale drying furnace and heating module to simplify process flow, improve production efficiency, reduction in production cost.

In order to achieve the purpose, the combined lithium battery drying jig provided by the utility model comprises an upper cover, a heating device, a circuit component and at least two jig main bodies, wherein each jig main body is provided with a cavity with an upper opening, each jig main body is provided with a through hole communicated with the cavity, and the heating devices are respectively arranged in the cavities of the jig main bodies; the jig main bodies are overlapped, so that the cavities of two adjacent jig main bodies are communicated through the through holes; the circuit component is arranged on any jig main body; the upper cover can be detachably covered on the cavity of the jig main body positioned at the uppermost part and seals the cavity; an electric connection terminal capable of being switched on or switched off is arranged between every two adjacent jig main bodies, the electric connection terminals are electrically connected with the heating devices in the corresponding jig main bodies, and the circuit component is electrically connected with the electric connection terminal of the jig main body where the circuit component is located.

Compared with the prior art, because the utility model discloses a set up the cavity in the tool main part, utilize the upper cover makes the cavity is sealed, through setting up again the device that generates heat makes the device that generates heat is located outside the cavity and through the tool main part arrives the heat transfer in the cavity to the realization is to placing in lithium cell in the cavity heats. Therefore, the jig has the function of loading the battery and the function of heating and drying, and can directly complete heating and drying on the jig in the process of drying the battery, so that a large-scale drying furnace and a heating module are omitted, the process flow is simplified, and the production cost is greatly reduced. And, through setting up a plurality of tool main parts, make the tool main part is the superpose, and pass through the through-hole of cavity is linked together the cavity of each tool main part, before dry to the lithium cell, can be again through the through-hole to each the cavity evacuation makes each tool main part all can heat dry lithium cell in the vacuum environment, is favorable to the lithium cell to discharge bubble and moisture content better, promotes dry effect. And a plurality of tool main parts simultaneous working, the same time can be dried more lithium cells, greatly improves production efficiency, reduction in production cost.

Preferably, the bottom of the jig main body extends to the side to form a bearing table, and the electrical connection terminal is arranged on the bearing table. Through setting up the plummer can for electricity connecting terminal provides a mounting platform to make two adjacent tool main parts realize the electricity and connect, make the quantity of tool main part can increase or reduce as required fast, improve equipment's utilization ratio, and improve production efficiency.

Specifically, electric connecting terminal includes public head and female head, public head set up in the upside of plummer, female head set up in the downside of plummer, so that public head can with the top female head detachably connects the circular telegram. The male head and the female head are connected, so that the circuit between the jig main bodies can be quickly assembled or disassembled, and the number of the jig main bodies can be quickly increased or decreased according to needs.

Preferably, a guiding and positioning mechanism is arranged between two adjacent jig main bodies. The guide positioning mechanism can enable the adjacent two jig main bodies to be quickly installed or detached, and the stability and convenience of assembly are guaranteed.

Specifically, the guiding and positioning mechanism comprises a positioning column and a positioning hole, the positioning column is arranged on the upper side edge of the jig main body, and the positioning hole is arranged on the lower side edge of the jig main body, so that the positioning column is in sliding sleeve connection with the positioning hole of the other jig main body located above the positioning column.

Preferably, a sealing member is disposed between two adjacent jig main bodies and between the jig main body and the upper cover. The sealing element is arranged to ensure the sealing performance of the cavity.

Preferably, the heating device divides the cavity into a plurality of accommodating cavities for accommodating lithium batteries at intervals. So that both sides of the heating device can heat the lithium battery, the utilization rate of heat energy is improved, and the drying speed is accelerated.

Preferably, the combined lithium battery drying jig further comprises a temperature sensor for detecting the temperature in the cavity, and the temperature sensor is electrically connected with the circuit component. By arranging the temperature sensor, the heating temperature in the cavity can be monitored in real time, so that the full-automatic function of drying the battery is realized.

Preferably, the fixture main body is provided with a heat insulation layer at the periphery.

Preferably, the combined lithium battery drying jig further comprises a butt vacuum valve, and the butt vacuum valve is arranged on any jig main body to communicate with or seal the cavity. The butt joint vacuum valve can enable the cavity and the vacuum pipeline to be automatically communicated or closed, simplify the vacuumizing process and improve the working efficiency.

Drawings

Fig. 1 is a perspective view of the combined lithium battery drying jig of the present invention.

Fig. 2 is a perspective view of the combined lithium battery drying jig of the present invention at another angle.

Fig. 3 is an exploded view of the combined lithium battery drying jig of the present invention.

Fig. 4 is an exploded view of the combined lithium battery drying jig of the present invention from another angle.

Fig. 5 is an enlarged view of a portion a in fig. 3.

Fig. 6 is a sectional exploded view of the combined lithium battery drying jig of the present invention.

Detailed Description

In order to explain technical contents, structural features, and effects achieved by the present invention in detail, the following description is given in conjunction with the embodiments and the accompanying drawings.

As shown in fig. 1 to 4, the combined lithium battery drying jig 100 of the present invention includes an upper cover 1, a heating device 2, a circuit module 3 and at least two jig main bodies 4, wherein the jig main bodies 4 are square structures, and the upper cover 1 is also correspondingly square structures. The jig main bodies 4 are respectively provided with a cavity 41 with an upper opening, the bottom of the cavity 41 of the jig main body 4 is provided with a through hole 42, and the heating devices 2 are respectively arranged in the cavities 41 of the jig main bodies 4; the jig main bodies 4 are stacked in the vertical direction, so that the cavities 41 of two adjacent jig main bodies 4 are communicated through the through holes 42; and the periphery of the jig main body 4 is provided with a heat insulation layer. The circuit component 3 is arranged at the bottom of the jig main body 4 which is positioned at the lowest part, and the circuit component 3 is a PCB (printed circuit board); the upper cover 1 is detachably covered on the cavity 41 of the jig main body 4 positioned at the uppermost part and seals the cavity; an electrical connection terminal 43 capable of being energized or de-energized in a contact manner is disposed between two adjacent fixture bodies 4, the electrical connection terminal 43 is electrically connected to the corresponding heat generating device 2 in the fixture body 4, and the electrical connection terminal 43 of the lowermost fixture body 4 is electrically connected to the circuit component 3.

Referring to fig. 1 and 2, a carrying platform 44 extends from the bottom of the fixture body 4 to the side, and the electrical connection terminal 43 is disposed on the carrying platform 44. Through setting up plummer 44 can for electric connection terminal 43 provides a mounting platform to make two adjacent tool main parts 4 realize the electricity and connect, make the quantity of tool main part 4 can increase or reduce fast as required, improve equipment's utilization ratio, and improve production efficiency. Specifically, the electrical connection terminal 43 includes a male head 431 and a female head 432, the male head 431 is disposed on the upper side of the carrier 44, and the female head 432 is disposed on the lower side of the carrier 44, so that the male head 431 can be detachably connected to the female head 432 above for electrical connection. The male head 431 is a contact pin, and the female head 432 is a needle sleeve for the contact pin to be connected. By using the male head 431 and the female head 432 for connection, the circuit between the jig main bodies 4 can be quickly assembled or disassembled, so that the number of the jig main bodies 4 can be quickly increased or decreased as required.

As shown in fig. 4 and 5, a guiding and positioning mechanism 45 is provided between two adjacent jig main bodies 4. The guiding and positioning mechanism 45 includes a positioning column 451 and a positioning hole 452, the positioning column 451 is disposed on the upper edge of the fixture main body 4, and the positioning hole 452 is disposed on the lower edge of the fixture main body 4, so that the positioning column 451 is slidably connected to the positioning hole 452 of the other fixture main body 4 located above. The guiding and positioning mechanism 45 can quickly assemble or disassemble the adjacent two jig main bodies 4, thereby ensuring the stability and convenience of assembly.

Referring to fig. 5, a sealing member 46 is disposed between two adjacent jig main bodies 4 and between the jig main body 4 and the upper cover 1. The seal 46 is a sealing ring disposed around the cavity 41; the sealing ring is arranged on the surface edge of the jig main body 4. The provision of the seal 46 ensures the sealing properties of the chamber 41.

Referring to fig. 3, the heat generating device 2 divides the cavity 41 into a plurality of accommodating cavities 411 for accommodating lithium batteries at intervals. So that both sides of the heating device 2 can heat the lithium battery, the utilization rate of heat energy is improved, and the drying speed is accelerated.

Referring to fig. 4, the combined lithium battery drying jig 100 further includes a temperature sensor 47 for detecting the temperature in the cavity 41, wherein the temperature sensor 47 is a thermocouple and is electrically connected to the circuit assembly 3. By arranging the temperature sensor 47, the heating temperature in the cavity 41 can be monitored in real time, so that the full-automatic function of drying the battery is realized.

The combined lithium battery drying jig 100 further comprises a butt vacuum valve 48, wherein the butt vacuum valve 48 is disposed at the through hole 42 of the jig main body 4 at the lowest position to communicate with or seal the cavity 41. The butt vacuum valve 48 can make the cavity 41 and the vacuum pipeline automatically connected or closed, so as to simplify the process of vacuum pumping and improve the working efficiency.

Before drying, a lithium battery is placed in the accommodating cavity 411 of each jig main body 4, and the positioning columns 451 of the jig main bodies 4 located below are matched with the positioning holes 452 of the jig main bodies 4 located above, so that each jig main body 4 is stacked, and the cavity 41 is sealed by two adjacent jig main bodies 4. And finally, hermetically covering the cavity 41 of the uppermost jig main body 4 with the upper cover 1, thereby sealing all the cavities 41 of the jig main bodies 4. Then, all the cavities 41 are vacuumized by the vacuumizing device through the butt vacuum valve 48, and simultaneously, the heating device 2 is started to heat the lithium battery, so that the lithium battery is dried.

Compared with the prior art, because the utility model discloses a set up cavity 41 on the tool main part 4, utilize upper cover 1 makes cavity 41 is sealed, again through setting up device 2 that generates heat makes device 2 that generates heat is located cavity 41 is outer and pass through tool main part 4 arrives heat transfer in the cavity 41 to the realization is to placing in lithium cell in the cavity 41 heats. Therefore, the jig has the function of loading the battery and the function of heating and drying, and can directly complete heating and drying on the jig in the process of drying the battery, so that a large-scale drying furnace and a heating module are omitted, the process flow is simplified, and the production cost is greatly reduced. And, through setting up a plurality of tool main parts 4, make tool main part 4 is the superpose, and through the through-hole 42 of the bottom of cavity 41 is linked together the cavity 41 of each tool main part 4, before dry to the lithium cell, can be again through the through-hole 42 of bottom to each cavity 41 evacuation makes each tool main part 4 all can heat dry lithium cell in the vacuum environment, is favorable to the lithium cell to discharge bubble and moisture content better, promotes dry effect. And a plurality of tool main parts 4 simultaneous working, the same time can be dried more lithium cells, greatly improves production efficiency, reduction in production cost.

The heating device 2, the circuit module 3 and the temperature sensor 47 related to the combined lithium battery drying jig 100 of the present invention are well known to those skilled in the art, and will not be described in detail herein.

The above disclosure is only a preferred embodiment of the present invention, and certainly, the scope of the present invention should not be limited thereto, and therefore, the scope of the present invention is not limited to the above embodiments.

Claims

1. The utility model provides a dry tool of modular lithium cell which characterized in that: the jig comprises an upper cover, a heating device, a circuit assembly and at least two jig main bodies, wherein the jig main bodies are respectively provided with a cavity with an opening at the upper part, the jig main bodies are provided with through holes communicated with the cavities, and the heating device is respectively arranged in the cavities of the jig main bodies; the jig main bodies are overlapped, so that the cavities of two adjacent jig main bodies are communicated through the through holes; the circuit component is arranged on any jig main body; the upper cover can be detachably covered on the cavity of the jig main body positioned at the uppermost part and seals the cavity; an electric connection terminal capable of being switched on or switched off is arranged between every two adjacent jig main bodies, the electric connection terminals are electrically connected with the heating devices in the corresponding jig main bodies, and the circuit component is electrically connected with the electric connection terminal of the jig main body where the circuit component is located.

2. The combined lithium battery drying jig of claim 1, wherein: the side of the jig main body extends out of the bearing table, and the electric connection terminal is arranged on the bearing table.

3. The combined lithium battery drying jig of claim 2, wherein: electric connecting terminal includes public head and female head, public head set up in the upside of plummer, female head set up in the downside of plummer, so that public head can with the top female head detachably connects the circular telegram.

4. The combined lithium battery drying jig of claim 1, wherein: and a guiding and positioning mechanism is arranged between every two adjacent jig main bodies.

5. The combined lithium battery drying jig of claim 4, wherein: the guide positioning mechanism comprises a positioning column and a positioning hole, the positioning column is arranged on the upper side edge of the jig main body, and the positioning hole is arranged on the lower side edge of the jig main body, so that the positioning column is in sliding sleeve joint with the positioning hole of the other jig main body above the positioning column.

6. The combined lithium battery drying jig of claim 1, wherein: and sealing elements are arranged between every two adjacent jig main bodies and between the jig main bodies and the upper cover.

7. The combined lithium battery drying jig of claim 1, wherein: the heating device divides the cavity into a plurality of accommodating cavities for accommodating lithium batteries at intervals.

8. The combined lithium battery drying jig of claim 1, wherein: the combined lithium battery drying jig further comprises a temperature sensor for detecting the temperature in the cavity, and the temperature sensor is electrically connected with the circuit component.

9. The combined lithium battery drying jig of claim 1, wherein: and the periphery of the jig main body is provided with a heat insulation layer.

10. The combined lithium battery drying jig of claim 1, wherein: the combined lithium battery drying jig further comprises a butt joint vacuum valve, and the butt joint vacuum valve is arranged on any jig main body to communicate or seal the cavity.